1. Operation Drive start, closed ball valve several times, should be flexible without stale, to confirm that its work is normal.
2. According to the piping design requirements for the pipeline and Shanghai good ball valve between the flange bonding surface for sealing performance inspection.
Add: No.69, Xikang South Road, Dafeng Economic Development Zone, Yancheng City, Jiangsu Province
Our company was founded in 1998, covers an area of 33751 square meters, construction area of 15800 square meters. Company has sophisticated valve R & D, design, sales, management and service team
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